Question

Answer it (Ans -Null Matrix)​

Answer 1

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Answer 2

$\huge\tt{\red{Given}}$

★ A matrix P=$\left[\begin{array}{ccc}\sec\alpha&\tan\alpha\\\cot\alpha&\cos\alpha \end{array}\right]$

★A matrix Q=$\left[\begin{array}{ccc}-\cos\alpha&\tan\alpha\\-\cot\alpha&-\sec\alpha \end{array}\right]$

$\huge\tt{\red{To\:\:Find}}$

★$2P^{-1}+Q$

$\huge\tt{\red{Concept\:\:Used}}$

★We will find the inverse of matrix P and then add it with Q.